Pencil sharpener



FIG. 1 is a perspective view of a pencil sharpener showing my new design;

FIG. 2 is a front elevational view of the pencil sharpener of FIG. 1, the rear elevational view being a mirror image thereof;

FIG. 3 is a left side elevational view of the pencil sharpener of FIGS. 1 and 2;

FIG. 4 is a right side elevational view of the pencil sharpener of FIGS. 1 to 5;

FIG. 5 is a top plan view of the pencil sharpener or FIGS. 1 to 4; and,

FIG. 6 is a bottom plan view of the pencil sharpener of FIGS. 1-5. 

The ornamental design for a pencil sharpener, as shown and described. 